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P 200
Role	Long-range transport
National origin	Germany
Manufacturer	Blohm & Voss
Designer	Hans Amtmann
Status	Design proposal
Developed from	BV 222 Wiking

The Blohm & Voss P 200 was a design project for a transatlantic transport flying boat during World War II. It was intended to go into production for Deutsche Lufthansa after the war.

History

During the early stages of World War II, when it was going well for Germany, the airline Deutsche Lufthansa raised a requirement for a postwar transatlantic flying boat with a capacity of 100 passengers. Blohm & Voss gave the design work to their Head of Preliminary Design, Hans Amtmann, who had the necessary experience.^[1]^[2]

Design

Structurally, the P 200 was a scaled-up BV 222 Wiking. It was bigger even than the BV 238, and only the Hughes H-4 Hercules has ever been bigger.^[3]

Its hull accommodated three deck levels, providing luxury facilities for 120 passengers, with additional freight holds fore and aft.

The wing used Chief Designer Richard Vogt's standard technique of a tubular steel wing spar which also functioned as the main fuel tankage. Its section was thick enough for engineers to go along inside the wings and attend to the engines in flight.^[3]

The P 200 was to be powered by eight BMW 803 series twin-radial engines, each driving a contra-rotating propeller and delivering 2,950 kilowatts (3,960 hp).

BV 726 jet derivative

The BV 726 was a jet-powered development of the P 200, its 700 series number indicating that construction would not begin until some time after the war was over.^[2]

Specification

Data from Pohlmann (1982)^[4]

General characteristics

Crew: 14^[3]
Length: 70 m (229 ft 8 in)
Wingspan: 85 m (278 ft 10 in)
Height: 10 m (32 ft 10 in)
Wing area: 715 m² (7,700 sq ft)
Empty weight: 115,000 kg (253,532 lb)
Max takeoff weight: 210,000 kg (462,971 lb)
Powerplant: 8 × BMW 803 twin-radial, 2,950 kW (3,950 hp) each ^[3]

Performance

Maximum speed: 390 km/h (240 mph, 210 kn) at 3,000 metres (9,800 ft)
Range: 8,000 km (5,000 mi, 4,300 nmi)

References

Notes

^ Amtmann, Hans; The Vanishing paperclips, Monogram (1988), pp.67, 72-73.
^ ^a ^b Amtmann, Hans; "Blohm & Voss Remembered", Part I, Aeroplane Monthly, February 1998, pp.26-27.
^ ^a ^b ^c ^d Cowin (1963).
^ Pohlmann (1982), pp.149-152.

Bibliography

Cowin, Hugh W.; “Blohm und Voss Projects of World War II,” Part III, Air Pictorial, December 1963, pp. 404-405.
Pohlmann, Hermann. 'Chronik Eines Flugzeugwerkes 1932-1945 (German), 2nd impression, Motorbuch, 1982 (1st edn. 1979), pp. 180-181. ISBN 3-87943-624-X.